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Finding the Fourth Proportional to 147,953.61, 221,672.03 and 123,153.03

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Solution

The fourth proportional to 147,953.61, 221,672.03 and 123,153.03 is: 184,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,953.61 : 221,672.03 = 123,153.03 : x
  2. Step 2: Convert to fraction form
    147,953.61/221,672.03 = 123,153.03/x
  3. Step 3: Cross multiply
    147,953.61x = 221,672.03 × 123,153.03
  4. Step 4: Simplify right side
    147,953.61x = 27,299,581,544.99
  5. Step 5: Solve for x
    x = 27,299,581,544.99/147,953.61
  6. Step 6: Final answer
    x = 184,514.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.